42457828

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10909}}^1$

素因数の和:11059

約数の個数: 24

約数和(自身を含む): 85534400

約数和(自身を除く): 43076572

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 10909, 21818, 43636, 76363, 152726, 305452, 1516351, 3032702, 6065404, 10614457, 21228914, 42457828]

約数ペア:

[(1, 42457828), (2, 21228914), (4, 10614457), (7, 6065404), (14, 3032702), (28, 1516351), (139, 305452), (278, 152726), (556, 76363), (973, 43636), (1946, 21818), (3892, 10909)]